When Kevin Federline got with Britney Spears he still had his dancer's physique, as seen here in 2004.
Kevin Federline, K-Fed, is at Pure in Las Vegas in 2007.
Kevin still sports a suit in 2008.
Kevin's weight seems to have ballooned around the holidays.
Kevin Federline walks with his girlfriend Victoria Prince. He seems much thinner after his stint on "Celebrity Fit Club".
Kevin again seems slimmer while enjoying a day at the park with his boys in January 2010.
KM Press Group
Just one month later, in February 2010, Kevin seems to have a bit of a pudge.
Kevin Federline’s weight seems to be in flux.